The Danube River is an international waterway so that landlocked Austria, Hungary, Moldova, Serbia, and Slovakia can have secure access to the Black Sea. Disputes over international waters Atlantic Ocean - the main zone of sea transport in 15th-20th centuries.
Throughout the 1980s and into the early 1990s, Petra was one of the world's most popular Christian rock bands, with each of its albums during that period selling hundreds of thousands of copies while the band sold out arenas and regularly placed songs at the top of Christian radio charts.and members subsequently reunited for concerts in 2007 and 2010. In November 2010, an incarnation of the band's mid-1980s lineup surfaced under the name Classic Petra. They released a CD titled Back to the Rock featuring two new songs as well as re-recordings of hits from that era.
PCN is a Mexican metal band formed in 1999 by Xavier Terry Terriquez And Pablo Aripez. The style of the band, with growling death metal vocals and clean overtones, goes from death metal to progressive metal, using thrash rhythms, often in the same song. Some time after the band had formed, Alejandro Fabela Daldo came in as vocalist.